In article <01bc3484$fa0e4d60$423752ca at default> "°â²¼­û" <wangk at hkstar.com> writes:
>Does MTB (alive or dead) still remain in patient body even after treatment?
Not in all cases, but certainly yes, it can.
That's why TB sometimes recurs in the elderly
who have been successfully treated years earlier, when their immune
systems begin to deteriorate.
>Could there be any chance of picking up MTB DNA in patient with no signs of
>active TB but have history of TB?
Again, absolutely yes.
Joseph Grossman
NJ Med School